Some vertical black smudges.

Started 4 months ago | Discussions thread
sybersitizen Forum Pro • Posts: 20,361
Re: Some vertical black smudges.
3

British Jonathan wrote:

... I just found a shot with a different lens that has the block. But why are the portrait shots fine? Why not every frame?

SRT models have horizontally moving cloth shutters, and yours is malfunctioning, possibly in an inconsistent or intermittent way.

Any way to check that without shooting a whole roll on different shutter speeds and logging it?

The only reliable way is to check it with film. The first thing to establish is at what shutter speeds it acts up. Do you know what speeds were used for every shot you've taken so far?

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